1. Moderate Frequency. Participants in this condition will be provided information about the treatment program (LEARN Manual, schedule) and how to use Balance Log (version 2.1.1 and professional web-based program) to log food intake and activity. Participants in this group will meet with a dietitian individually on a weekly basis for the first 6 weeks, then once a month for the remaining 18 weeks of the weight loss phase. During the last 6 months of the study (i.e., weight maintenance phase), participants will meet with a dietitian for quarterly follow-up.